A function cheklist for built a function.

function checklist

• Did you start your function definition with def?
• Does your function name have only characters and _ (underscore) characters?
• Did you put an open parenthesis ( right after the function name?
• Did you put your arguments after the parenthesis ( separated by commas?
• Did you make each argument unique (meaning no duplicated names)?
• Did you put a close parenthesis and a colon ): after the arguments?
• Did you indent all lines of code you want in the function four spaces? No more, no less.
• Did you “end” your function by going back to writing with no indent (dedenting we call it)?

When you run (“use” or “call”) a function, check these things:

• Did you call/use/run this function by typing its name?
• Did you put the ( character after the name to run it?
• Did you put the values you want into the parenthesis separated by commas?
• Did you end the function call with a ) character?